1. From the following particulars prepare a Cost Sheet showing the total cost per tonne for the period ended 31st Dec., 2020.
Raw materials
Productive wages
\begin{tabular}{rlr}
\( ? \) & \( \xi \) \\
33,000 & Rent and taxes (office) & 500 \\
38,000 & Water supply (works) & 1,200 \\
10,500 & Factory Insurance & 1,100 \\
7,500 & Office Insurance & 500 \\
2,200 & Legal expenses & 400 \\
1,500 & Rent of warehouse & 300 \\
4,400 & Depreciation of & \\
3,000 & -Plant and Machinery & 2,000 \\
1,000 & -Office Building & 1,000 \\
2,000 & -Delivery Vans & 200 \\
500 & Bad debts & 100 \\
200 & Advertising & 300 \\
800 & Sales department's salaries & 1,500 \\
750 & Upkeep of delivery vans & 700 \\
900 & Bank charges & 50 \\
600 & Commission on sales & 1,500 \\
775 tonnes.
\end{tabular}